> Any ideas? Hi Bob, I "think" I know what you mean, some more info would be helpful You can RETURN from an interrupt instead of RETFIE. This leaves interrupts off until you set GIE again. Any outstanding IF flags will be processed when you do Joe ----- No virus found in this message. Checked by AVG - www.avg.com Version: 2016.0.7797 / Virus Database: 4656/13129 - Release Date: 10/02/16 --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .